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497894401 = 1831127191
BaseRepresentation
bin11101101011010…
…100010000000001
31021200212122201101
4131223110100001
52004430110101
6121223334401
715224014114
oct3553242001
91250778641
10497894401
11236059484
1211a8b1401
137c1c8894
144a1a857b
152da9e401
hex1dad4401

497894401 has 4 divisors (see below), whose sum is σ = 497939904. Its totient is φ = 497848900.

The previous prime is 497894357. The next prime is 497894413. The reversal of 497894401 is 104498794.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 497894401 - 215 = 497861633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497894461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4716 + ... + 31906.

It is an arithmetic number, because the mean of its divisors is an integer number (124484976).

Almost surely, 2497894401 is an apocalyptic number.

It is an amenable number.

497894401 is a deficient number, since it is larger than the sum of its proper divisors (45503).

497894401 is a wasteful number, since it uses less digits than its factorization.

497894401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45502.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 497894401 is about 22313.5474768133. The cubic root of 497894401 is about 792.5848149995.

The spelling of 497894401 in words is "four hundred ninety-seven million, eight hundred ninety-four thousand, four hundred one".

Divisors: 1 18311 27191 497894401